Home / 36,218.14-49,987.26-21,119.66

Finding the Fourth Proportional to 36,218.14, 49,987.26 and 21,119.66

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Solution

The fourth proportional to 36,218.14, 49,987.26 and 21,119.66 is: 29,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.14 : 49,987.26 = 21,119.66 : x
  2. Step 2: Convert to fraction form
    36,218.14/49,987.26 = 21,119.66/x
  3. Step 3: Cross multiply
    36,218.14x = 49,987.26 × 21,119.66
  4. Step 4: Simplify right side
    36,218.14x = 1,055,713,935.53
  5. Step 5: Solve for x
    x = 1,055,713,935.53/36,218.14
  6. Step 6: Final answer
    x = 29,148.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.